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DVD-2900
Denon DVD-2900 Service Manual
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DVD-2900
DSD1790DBR (AU: IC206, 209, 212)
Block Diagram
20
15
16
17
18
19
9
14
13
12
11
10
8
7
6
5
4
3
2
1
DSDL
DSDR
DBCK
PLRCK
PDA
TA
PBCK
SCK
DGND
V
DD
MS
MD
I
MC
MD
O
RST
21
22
23
24
25
26
27
28
V
CC
2L
AGND3L
I
OUT
L–
I
OUT
L+
AGND2
V
CC
1
V
COM
L
V
COM
R
I
REF
AGND1
I
OUT
R–
I
OUT
R+
AGND3R
V
CC
2R
MD
I
MC
Bia
s
&
Vr
e
f
Current
Segment
DAC
DBCK
PBCK
DSDL
SCK
RST
MS
I
OUT
L+
I
OUT
L–
MD
O
Current
Segment
DAC
Advanced
Segmented
DAC
Modulator
8
Ov
ersa
m
plin
g
Digi
tal
Filte
r
&
Func
tion
Contr
ol
I/V & F
i
l
ter
Functi
on
Control
I/F
System C
loc
k
Manager
Audio
Data input
I/F
PDA
TA
Powe
r
Su
pp
l
y
DGND
AGND3L
V
DD
V
CC
1
V
CC
2R
AGND2
AGND1
DSDR
PLRCK
V
CC
2L
V
OUT
L
I
OUT
R+
I
OUT
R–
I/V & F
i
l
ter
V
OUT
R
V
COM
L
I
REF
V
COM
R
AGND3R
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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Table of Contents
Safety Precautions
2
Leakage Current Check
2
Laser Radiation
2
Disassembly
3
Top Cover
3
Loader Panel, Front Panel
3
When the Disc Tray Can be Ejected Electrically
3
When the Disc Tray Cannot be Ejected Electrically
4
Video P.W.B.
4
DVD Mecha
5
Audio P.W.B.
5
Power P.W.B.
5
Mecha.unit
6
Traverse Unit Disassembly
6
Guide Clamp Bracket Disassembly
6
Tray Disassembly
7
Note for Disassembly Traverse Unit
8
Diagnostics of Optical Pickup and Replacing Traverse Unit
9
Label Indication of DVD Mechanism
10
Note for Handling the Laser Pick-Up
10
Replacement of the Laser Pick-Up
10
Iop Measurement Method
10
DVD Laser Current Measurement
11
CD Laser Current Measurement
11
Measurement Voltage Value
11
Optical Pick-Up Diagnostics and Replacement
12
Service Mode
13
Aging Mode
13
Initial Setting Mode
13
U-Com Firm Check Mode
14
Setting up the Test Mode
15
LOADING Display
15
Mode Select
15
Change Within the Mode
15
Execution of Trace Mode (Error Rate Display)
16
Other Operation
16
Test Mode Detailed Table
17
Disc Distinction Information
20
Disc Classification Information
20
Trouble Shooting
21
FL TUBE Doesn’t Light
21
Check the Set-Up Process of Panel Μ-COM
21
Check the Set-Up Process of B/E Μ-COM
22
Check Power Supply Voltages
22
Check Clock Waveform
22
Check Reset Signal
22
Check the Set-Up Process of F/E Μ-COM
23
Image Is Not Displayed
23
Does Not Read Disc
24
Disc Does Not Rotate
24
CD Check Process
24
DVD Check Process
24
SACD Check Process
25
No Sound, Noise Generated
26
Sacd
26
Check DSD Data Output
26
Check Audio Select Output
26
DVD-Video / Audio
27
Gu-3495 Audio P.w.b.
27
No Sound or Noise Generated at Audio Output Terminal
27
Does Not Output Digital Output Signal
27
Gu-3497 Video Pwb
28
Progressive Output Does Not Outputed
28
Interlace Output Does Not Outputed
28
Electrical Adjustment for Video
29
Before Adjustment
29
Y-Signal of S-VIDEO out
30
C-Signal of S-VIDEO out
30
Y-Signal
30
Pb-Signal
30
Block Diagram
32
Semiconductors
33
IC’s
33
Top View
33
Functions
34
16/4M Dram
34
M65776Bfp (Ma:ic101)
38
Functions (Bit Stream Input Interface / SDRAM Interface)
40
Functions (Video Output Interface)
40
Functions (Audio Output Interface)
40
Functions (Host Interface)
41
Video DAC
41
System Service
41
Sil504Cm208 (VI: IC701)
42
Sii504Cm208 Terminal Function
42
CXD-2753R (Ma: Ic401)
44
Pin Assignment
44
Terminal Functions
45
M32102S6Fp (Ma: Ic102)
49
64M Sdram (VI: Ic702)
50
W986432Ah
50
W986432AH Terminal Function
50
Ml9207-01 (Pd: Ic101)
51
ADV7190 (VI: IC705) for Europe Model
52
Adv7190 (Av: Ic601)
52
ADV7190 Terminal Function
52
Adv7300 (VI: Ic704)
53
Adv7300 (Ma: Ic706)
53
ADV7300 Terminal Function
53
Cxd1881Ar (Ma: Ic501)
54
Power Supply Pins
56
Input Pins
56
Output Pins
56
Analog Pins
57
Serial Port Pins
57
W986416Dh (Ma: Ic104)
58
W986416Dh (Ma: Ic103)
58
W986416DH Terminal Function
58
16Msdram (Tosp)-8 (Ma: Ic402)
59
Fan8042 (Ma: Ic508)
60
Detailed Circuit of the Output Power Amp
62
Mx29Lv160Btc-90 (Ma: Ic103)
63
At49Lv1025 (Ma: Ic302)
63
M11L16161Sa (Ma: Ic503)
64
An8471Sa (Ma: Ic505)
65
Dsd1790Dbr (Au: Ic206, 209, 212)
66
Pic18Lc242-I/So (VI: Ic703)
68
PIC18LC242-I/SO Terminal Function
68
BH7860FP (VI: IC706, 707) IC707 for Europe Model
69
Sm8707Ev (Ma: Ic105)
70
Μpd4721Gs (PD: IC511)
71
Str-F6674 (Pd: Ic901)
71
Pc123 (Pd: Ic902)
71
Transistors
72
Fl Display 17-St-04Gnk
73
Printed Wiring Board
74
Gu-3494 Main P.w.b. Unit
74
Gu-3495 Audio P.w.b. Unit
76
Gu-3496 Power/Display P.w.b. Unit
78
Gu-3497 Video P.w.b. Unit
80
Note for Parts List
82
Resistors
82
Capacitors
82
Parts List of P.w.b. Unit Ass’y
83
Gu-3494 Main Unit
83
Gu-3495 Audio Unit
88
Gu-3496 Power/Disp. Unit
91
Gu-3497 Video Unit
95
Gu-3343 Scart Pwb Unit
98
Exploded View
99
Parts List
99
Parts List of Exploded View
100
Exploded View of DVD Mechanism
102
Parts List of DVD Mechanism Unit
103
3370118001 DVD Mecha (Td-5Hp-D3)
103
Points of Greasing
105
Packing View
106
Parts List of Packing & Accessories
106
Wiring Diagram
107
Measuring Method and Waveforms
108
Notes
108
Measuring Disc
108
GU-3494 Main P.W.B. Unit Foil Side
108
Waveforms
109
CD Play
109
DVD Play (Inner)
109
Disc Detect (CD)
109
Note for Schematic Diagram
111
Schematic Diagrams
112
Other manuals for Denon DVD-2900
Operating Instructions
186 pages
Specifications
2 pages
Setup Guide
3 pages
Brochure & Specs
2 pages
5
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Denon DVD-2900 Specifications
General
Brand
Denon
Model
DVD-2900
Category
DVD Player
Language
English
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